EP0529838B1 - Verfahren und Vorrichtung zum Montieren eines Reifens auf einer Felge und zum Füllen des Reifens - Google Patents

Verfahren und Vorrichtung zum Montieren eines Reifens auf einer Felge und zum Füllen des Reifens Download PDF

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Publication number
EP0529838B1
EP0529838B1 EP92307165A EP92307165A EP0529838B1 EP 0529838 B1 EP0529838 B1 EP 0529838B1 EP 92307165 A EP92307165 A EP 92307165A EP 92307165 A EP92307165 A EP 92307165A EP 0529838 B1 EP0529838 B1 EP 0529838B1
Authority
EP
European Patent Office
Prior art keywords
wheel
tire
bead
pawl
inner pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92307165A
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English (en)
French (fr)
Other versions
EP0529838A3 (en
EP0529838A2 (de
Inventor
Hiroshi C/O Bridgestone Corporation Kawabe
Toshiyuki C/O Bridgestone Corporation Watanabe
Naotaka C/O Bridgestone Corporation Tomita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
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Filing date
Publication date
Application filed by Bridgestone Corp filed Critical Bridgestone Corp
Publication of EP0529838A2 publication Critical patent/EP0529838A2/de
Publication of EP0529838A3 publication Critical patent/EP0529838A3/en
Application granted granted Critical
Publication of EP0529838B1 publication Critical patent/EP0529838B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
    • B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
    • B60C25/05—Machines
    • B60C25/132—Machines for removing and mounting tyres
    • B60C25/135—Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis
    • B60C25/138—Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support

Definitions

  • This invention relates to a method and an apparatus for assembling a tire on the rim of a wheel without damaging the bead portions of the tire and the inside and the outer circumferential surface of the wheel, while at the same time filling the tire with inner pressure.
  • bead portions of the tire are radially outwardly expanded by guide rollers provided on the outer ends of the revolving arms, and at the same time a side surface rubber of the tire is urged downwardly by restraining rollers also vertically movably provided on the revolving arms.
  • restraining rollers also vertically movably provided on the revolving arms.
  • an inner pressure filling apparatus was disclosed in Japanese Utility Model Application Laid-open No. 64-16,404, in which one bead portion of a tire mounted on the rim of a wheel is urged from the side not being fixed toward the other bead portion to form a clearance between the bead portion and the wheel, through which clearance pressurized air is supplied into the tire.
  • the bead portions of the tire are subjected to excessive external forces to be unduly deformed.
  • the deformed bead portions detrimentally affect the close contact between the wheel and the bead portions to lower the tire uniformity and sealing performance so that the inherent performance of the tire mounted on the wheel could not be exhibited.
  • the bead portions of the tire are simultaneously brought into close contact with bead seats of the wheel.
  • the inner pressure should be 4 to 6 kgf/cm2, when the normal inner pressure is 3 to 5 kgf/cm2.
  • the table together with the wheel arranged thereon is rapidly lowered in order to fill the inner pressure into the tire with high efficiency, the bead portions are abruptly urged against the rim of the wheel. Therefore, the deformed bead portions of the tire are undesirably mounted in the deformed state on the bead seats of the wheel.
  • the present invention in one aspect provides a method for assembling a tire and a wheel and filling inner pressure in the tire, comprising steps of holding and fixing onto a wheel table the wheel whose one end surface is held in an airtight manner, arranging the tire on the free end remote from the wheel table so that part of one of bead portions of the tire is loosely arranged around the rim of the wheel or into a well of the wheel, arranging a pawl of tire mounting means between the wheel and the one bead portion of the tire, rotating any one of the pawl and the wheel table supporting thereon the wheel relative to the other to relatively move the pawl along the circumference of the wheel so that the bead portions of the tire are progressively radially outwardly expanded to arrange the bead portions around the rim of the wheel along all their circumferences, causing an annular outer cylinder member extendable and retractable toward and away from the tire and having at its forward end an inclined portion for filling inner pressure in the tire to abut against the one bead portion of
  • the invention in another aspect provides apparatus for assembling a tire and a wheel and filling inner pressure into the tire, comprising a wheel table for arranging thereon the wheel on which the tire is assembled, fixing means for holding and fixing on the wheel table the wheel whose one end surface is held in an airtight manner, an annular outer cylinder member vertically movable and surrounding the wheel table to form clearances between the wheel table and the outer cylinder member and between the wheel and one of bead portions of the tire, through which clearances pressurized air is supplied into the tire, the outer cylinder member having at its end an inclined portion to contact the one bead portion and urge it toward the other bead portion, tire mounting means having a pawl for progressively arranging the bead portions of the tire around the rim of the wheel held and fixed to the wheel table, the tire mounting means having moving means for moving the pawl substantially in vertical and horizontal directions, and air injection means for injecting pressurized air through an inflation valve of the wheel, wherein the wheel table has rotating means for rotating any one of the
  • the fixing means comprises a taper cone having a taper portion to be fitted in the hub aperture of the wheel and a through-aperture at the center, a fixing rod to be inserted in the through-aperture of the taper cone and having at its front end an engaging portion and at its rear end a stopper to contact the taper cone, and a block rotatably held through a bearing on the operating end of a cylinder arranged on a frame of the wheel table, the block having anchoring pieces pivotally connected thereto for embracing the engaging portion of the fixing rod inserted in the through-aperture of the taper cone.
  • a wheel table 1 for arranging thereon a wheel W is rotatably supported on a bearing 1b fitted on a stationary frame 1a (Fig. 2).
  • the wheel W is held and fixed on its one end surface onto the wheel table 1 in an airtight manner through a sealing member such as rubber sheet S by means of fixing means 2.
  • the fixing means 2 comprises a taper cone 2a (Fig.
  • a fixing rod 2d having at the front end an engaging portion 2b and at the rear end a stopper 2c and adapted to be inserted into a through-aperture h of the taper cone 2a, a cylinder 2e held by and fixed to the stationary frame 1a, and a block 2g rotatably held by the rod end of the cylinder 2e through bearings 2f1 and 2f2 to be able to be raised and lowered along a guide g (shown as an integral construction with a frame of the table 1) by the action of the cylinder 2e.
  • the block 2g includes at least one pair of anchoring pieces 2i rockably supported by means of pivot pins 2h.
  • the anchoring pieces 2i fall down about the pivot pins 2h near to their horizontal positions to permit the vertical movements of the fixing rod 2d inserted through the through-aperture h of the taper cone 2a (refer to the right half in Fig. 2).
  • the anchoring pieces 2i rise vertically so as to lock the vertical movements of the fixing rod 2d to fix the wheel W on the wheel table 1 firmly (refer to the left half in Fig. 2).
  • An annular outer cylinder member 3 surrounds the wheel table 1 so as to form a clearance t with the table 1 (Fig. 3).
  • the outer cylinder member 3 urges upward one bead portion toward the other bead portion of the tire to form a clearance t1 between the one bead portion and the wheel (Fig. 10).
  • the outer cylinder member 3 thus serves to fill the inner pressure into the tire through the clearances t and t1.
  • the outer cylinder member 3 is formed at its upper edge with an inclined portion 3a and moved upward and downward as a whole by means of cylinders 3b, while being kept in an airtight manner with the aid of an O-ring.
  • Tire mounting means 4 is provided for the purpose of progressively arranging the bead portions of the tire around the rim of the wheel W fixed to the wheel table 1.
  • the tire mounting means 4 comprises a pawl 4a adapted to position between the wheel W and the bead portions of the tire for arranging the bead portions around the rim of the wheel, a vertical arm 4b of, for example, a spring type for holding the pawl 4a, a first pneumatic cylinder 4c for vertically moving the vertical arm 4b together with the pawl 4a, and a second pneumatic cylinder 4e held by a tiltable arm 4d for horizontally moving the first pneumatic cylinder 4c together with the pawl 4a and the vertical arm 4b.
  • Air injection means 5 has a nozzle n for injecting pressurized air into the tire through the inflation valve (not shown) of the wheel W.
  • Fig. 4 illustrates the table 1, the outer cylinder member 3 surrounding it, the rubber sheet S, the wheel W, and the fixing means 2, particularly its taper cone 2a and the fixing rod 2d, to help understanding of the relationship between these members.
  • the tiltable arm 4d of the tire mounting means 4 is tilted away from the wheel table 1 and a wheel W is arranged on the wheel table.
  • the taper cone 2a is then arranged in the hub aperture W1 of the wheel W and the fixing rod 2d is inserted into the through-aperture h of the taper cone.
  • the block 2g provided on the rod end of the cylinder 2e has been previously raised in its raised position as shown in the right half of Fig. 2.
  • the engaging portion 2b at the lower end of the fixing rod 2d has arrived at the anchoring pieces 2i, the cylinder 2e is actuated to lower the block 2g to its lowermost position as shown in the left half of Fig. 2.
  • the fixing rod 2d is lowered at the position where the stopper 2c at the upper end of the fixing rod 2d abuts against the taper cone 2a.
  • the wheel W is firmly fixed to the wheel table 1 whose rotating axis is aligned with the rotating axis of the wheel W.
  • the tiltable arm 4d of the tire mounting means 4 is returned to the initial vertical position and the first and second pneumatic cylinders 4c and 4e are actuated to position the pawl 4a to be spaced a predetermined distance K (approximately 5 mm) from the edge of the rim flange of the wheel W as shown in Fig. 6.
  • the tiltable arm 4d is then tilted again and a tire T is arranged on the wheel W fixed to the wheel table 1 as shown in Fig. 7.
  • the tiltable arm 4d is then returned to the vertical position again and the wheel table 1 is rotated by means of driving means (not shown) as illustrated in Fig. 8.
  • Fig. 9 illustrates the state of the tire T in which the whole bead portion b1 is loosely arranged around the rim of the wheel W.
  • the wheel table 1 is rotated again, while the pawl 4 is maintained in its present position.
  • the annular outer cylinder member 3 having the inclined portion 3a at its upper edge is moved against the bead portion b1 of the tire T to form a clearance t1 between the wheel W and the bead portion b1.
  • Pressurized air is then supplied through an air supply tube 3c provided on the outer cylinder member 3 to fill inner pressure into the tire through the clearances t and t1.
  • the outer cylinder member 3 is progressively lowered as shown in Fig. 11.
  • the inclined portion 3a of the outer cylinder member 3 is inclined, first the part of the bead portion b1 corresponding to the lowest edge of the inclined portion 3a, where contact pressure is lowest, rides on the bead seat r of the wheel W and then the remaining bead portion b1 progressively rides on the bead seat r of the wheel W.
  • the inclined portion 3a of the outer cylinder member 3 has just been out of contact with the bead portion b1 of the tire T as shown in Fig. 12, the whole circumference of the bead portion b1 close contacts the bead seat r of the wheel W.
  • the difference U (Fig. 12) between the maximum and minimum heights of the inclined portion 3a of the outer cylinder member 3 is preferably more than 10 mm because the width of the bead seat is of the order of 10 mm.
  • the difference U is preferably of the order of 10 to 20 mm.
  • the nozzle n of the air injection means 5 is connected to the inflation valve of the wheel W to fill in the tire an inner pressure higher than the normal inner pressure as shown in Fig. 13. Thereafter, the inner pressure is lowered to the normal pressure to complete the operations of assembling the tire and wheel and filling the inner pressure in the tire as shown in Fig. 14.
  • the pawl 4a of the tire mounting means 4 is shown maintained at a fixed position and the table 1 is being rotated to arrange the bead portion around the rim in the illustrated embodiment, it will be apparent that the wheel table 1 may be stationary, while the pawl 4a of tire mounting means 4 may be rotated. In this case, however, it may be necessary to take care to avoid making the apparatus bulky in the vertical direction.
  • the wheel table 1 is shown in an integral construction in Fig. 3, the upper portion thereof supporting the wheel may be separable from its main body, which can provide for wheels and tires of various sizes.
  • the tire is arranged on the wheel located on the wheel table 1 and then the wheel table is rotated to arrange the tire bead portions around the rim of the wheel. Therefore, it is possible to assemble the tire on the wheel without exerting any excessive force onto the bead portion so that there is no risk of damage to the bead portions and wheel in assembling according to the invention.
  • the bead portions can be progressively brought into close contact with the bead seats of the wheel with the aid of the inclined portion 3a of the outer cylinder member 3. Therefore, high pressure is not needed so that the bead portions are not fitted in a deformed state on the rims of the wheel. Particularly, even with tires collapsed due to being piled up, they can be assembled on wheels and filled with inner pressure with great certainty.
  • the tire is maintained with the inner pressure higher than the normal inner pressure by supplying the pressurized air through the inflation valve of the wheel W, with the result that even if the bead portions of the tire are not completely uniformly fitted on the wheel, they are brought into uniform contact with the bead seats of the wheel along all the circumferences of the bead portions.
  • the apparatus according to the invention is able to fill the inner pressure into the tire in the state immediately after having been assembled around the wheel, so that the operations for assembling and inner pressure filling can be effected in a very short time without requiring a wide space occupied by more than one apparatus.
  • the invention enables the apparatus for this purpose to be simplified in construction, and hence be compact and easy to maintain and rugged and durable in use.
  • Fig. 15a The results are shown in Fig. 15a in comparison with the results illustrated in Fig. 15b for tires which were assembled on wheels and filled with inner pressures according to the prior art. Referring to Figs. 15a and 15b, it is clear that the roundness of the tires assembled on the rims according to the invention are greatly improved compared with those of the tires assembled by the prior art.
  • a tire can be assembled on a wheel and filled with inner pressure simply and rapidly without damaging the bead portions of the tire and the wheel.
  • the apparatus according to the invention is simple and compact in construction without requiring a wide space and is inexpensive to manufacture and easy to maintain. This apparatus is particularly very useful as a garage type apparatus for assembling a tire and a wheel and filling inner pressure into the tire.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Claims (4)

  1. Verfahren zum Montieren eines Reifens (T) auf einer Felge (W), und zum Aufblasen des Reifens, das die folgenden Schritte aufweist : Die Felge, deren eine Stirnfläche luftdicht festgehalten wird, wird auf einem Felgentisch (1) festgehalten und befestigt, der Reifen wird auf der von dem Felgentisch weg gerichteten, freien Stirnfläche der Felge so angeordnet, daß ein Teil von einem der Wulstbereiche des Reifens um den Rand der Felge herum oder in einer Vertiefung der Felge lose angeordnet ist, eine Klaue (4a) des Reifenmontagemittels (4) wird zwischen der Felge und dem einen Wulstbereich des Reifens angeordnet, die Klaue oder der Felgentisch mit der darauf angebrachten Felge wird relativ zu der anderen Komponente gedreht, um die Klaue längs des Umfangs der Felge relativ zu bewegen, und zwar so, daß die Wulstbereiche des Reifens in progressiver Weise radial nach außen expandiert werden, um sie längs ihres ganzen Umfangs um den Rand der Felge herum anzuordnen, ein ringförmiges, äußeres Zylinderelement (3), das zu dem Reifen hin ausfahrbar und von dem Reifen weg einfahrbar ist, und an seinem vorderen Ende einen geneigten Bereich (3a) aufweist, um den Reifen aufzublasen, wird gegen den einen, um den Rand der Reifens herum angeordneten Wulstbereich des Reifens geschoben, um einen Zwischenraum zwischen der Felge und dem Wulstbereich zu bilden, über den Zwischenraum zwischen der Felge und dem Wulstbereich wird Druckluft in das Innere des Reifens gegeben, das äußere, zylindrische Element (3) wird aus dieser Position in progressiver Weise von dem Reifen zurückgezogen, um die Wulstbereiche in enge Berührung mit den Wulstsitzen der Felge zu bringen, und über das Aufblasventil der Felge wird Druckluft in den Reifen eingeblasen, um den Innendruck des Reifens über dem normalen Druck zu halten, und der Innendruck des Reifens wird auf den normalen Druck abgesenkt.
  2. Vorrichtung zum Montieren eines Reifens (T) auf einer Felge (W), und zum Aufblasen des Reifens, mit einem Felgentisch (1), um darauf die Felge anzuordnen, auf der der Reifen montiert wird, einem Befestigungsmittel (2), um die Felge, deren eine Stirnfläche luftdicht festgehalten wird, auf dem Felgentisch festzuhalten und zu befestigen, einem ringförmigen, äußeren Zylinderelement (3), das vertikal verschiebbar ist und den Felgentisch umgibt, um Zwischenräume zwischen dem Felgentisch und dem äußeren Zylinderelement und zwischen der Felge und einem der Wulstbereiche des Reifens zu bilden, über die Druckluft in den Reifen gegeben wird, wobei das äußere Zylinderelement (3) an seinem Ende einen geneigten Bereich (3a) hat, um den einen Wulstbereich zu berühren und zu dem anderen Wulstbereich hin zu drücken, einem Reifenmontagemittel (4), das eine Klaue (4a) hat, um die Wulstbereiche des Reifens in progressiver Weise um den Rand der auf dem Felgentisch festgehaltenen und befestigten Felge herum anzuordnen, wobei das Reifenmontagemittel (4) ein Bewegungsmittel (4a-4e) hat, um die Klaue (4a) im wesentlichen in der vertikalen und horizontalen Richtung zu bewegen, und ein Lufteinblasmittel (5) hat, um über ein Einblasventil der Felge Druckluft einzublasen, und wobei der Felgentisch (1) ein Rotationsmittel hat, um die Klaue, oder den Felgentisch mit der darauf angebrachten Felge zu drehen.
  3. Vorrichtung gemäß Anspruch 2, dadurch gekennzeichnet, daß das Befestigungsmittel (2) aufweist: einen Konus (2a), der einen konusförmigen Bereich hat, der in die Nabenöffnung (W₁) der Felge (W) und eine Durchgangsöffnung (h) in der Mitte eingesetzt wird, einen Befestigungsstab (2d), der in die Durchgangsöffnung des Konus eingeschoben wird und an seinem vorderen Ende einen eingreifenden Bereich (2b) und an seinem hinteren Ende einen Anschlag (2c) hat, der den Konus berührt, und einen Block (2g), der durch ein Lager (2f) drehbar festgehalten wird, das auf dem Betätigungsende eines Zylinders (2e) angebracht ist, der auf einem Rahmen des Felgentischs angeordnet ist, wobei der Block (2g) Verankerungsteile (2i) hat, die mit dem Block schwenkbar verbunden sind, um den eingreifenden Bereich (2b) des in die Durchgangsöffnung (h) des Konus eingeschobenen Befestigungsstabs (2d) zu umschließen.
  4. Vorrichtung gemäß Anspruch 2 oder 3, dadurch gekennzeichnet, daß das Bewegungsmittel des Reifenmontagemittels (4) aufweist : einen vertikalen Arm (4b), um die Klaue (4a) zu halten, einen ersten Zylinder (4c), um den vertikalen Arm (4b) zusammen mit der Klaue vertikal zu verschieben, einen zweiten Zylinder (4e), um den ersten Zylinder (4c) zusammen mit der Klaue horizontal zu verschieben, und einen neigbaren Arm (4d), um den zweiten Zylinder (4e) zu halten.
EP92307165A 1991-08-27 1992-08-05 Verfahren und Vorrichtung zum Montieren eines Reifens auf einer Felge und zum Füllen des Reifens Expired - Lifetime EP0529838B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3238939A JP2564057B2 (ja) 1991-08-27 1991-08-27 タイヤのリム組み内圧充てん方法およびその装置
JP238939/91 1991-08-27

Publications (3)

Publication Number Publication Date
EP0529838A2 EP0529838A2 (de) 1993-03-03
EP0529838A3 EP0529838A3 (en) 1993-08-04
EP0529838B1 true EP0529838B1 (de) 1995-10-18

Family

ID=17037531

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92307165A Expired - Lifetime EP0529838B1 (de) 1991-08-27 1992-08-05 Verfahren und Vorrichtung zum Montieren eines Reifens auf einer Felge und zum Füllen des Reifens

Country Status (4)

Country Link
US (1) US5287907A (de)
EP (1) EP0529838B1 (de)
JP (1) JP2564057B2 (de)
DE (1) DE69205531T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3556708B2 (ja) * 1994-08-08 2004-08-25 株式会社ブリヂストン タイヤ−リム組立体への内圧充填装置
IT1287640B1 (it) * 1996-05-03 1998-08-06 Corghi Spa Macchina per il montaggio e lo smontaggio dei pneumatici sui e dai rispettivi cerchioni
DE19920608C1 (de) * 1999-05-05 2001-02-15 Continental Ag Reifen-Montagemaschine
US7044188B2 (en) * 2003-06-12 2006-05-16 Dürr Systems, Inc. Apparatus for mounting and inflating a tire and wheel assembly
JP4804899B2 (ja) * 2005-12-05 2011-11-02 株式会社ブリヂストン 空気入りタイヤのフィッティング装置及び空気入りタイヤのリム組み方法
JP5254895B2 (ja) * 2009-07-06 2013-08-07 株式会社アルティア タイヤとホイールの位相合わせ装置及びその制御方法
US8443865B2 (en) * 2009-08-21 2013-05-21 Hennessy Industries, Inc. Wheel clamping apparatus and method
EP2962877B1 (de) * 2013-02-28 2018-07-04 Central Motor Wheel Co., Ltd. Reifenanordnungsvorrichtung
KR102507724B1 (ko) * 2021-01-26 2023-03-07 조영진 타이어 탈착용 고정장치

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925837A (en) * 1954-05-13 1960-02-23 Harry G Twiford Tire mounting stand with rotatable wheel support
US2903029A (en) * 1955-07-11 1959-09-08 Harry G Twiford Tire holding table
JPS6147722A (ja) * 1984-08-14 1986-03-08 Sanyo Kokusaku Pulp Co Ltd ウレタン（メタ）アクリレートプレポリマー含有組成物
US4765387A (en) * 1987-02-02 1988-08-23 Fmc Corporation Tire changer safety foot
US4884611A (en) * 1988-10-24 1989-12-05 Schmidt Raymond H Tire changing machine
JP2564056B2 (ja) * 1990-12-26 1996-12-18 株式会社ブリヂストン タイヤのリム組み内圧充填方法及びその装置

Also Published As

Publication number Publication date
DE69205531D1 (de) 1995-11-23
US5287907A (en) 1994-02-22
EP0529838A3 (en) 1993-08-04
EP0529838A2 (de) 1993-03-03
DE69205531T2 (de) 1996-05-09
JPH0558123A (ja) 1993-03-09
JP2564057B2 (ja) 1996-12-18

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